Reviewed tool-call/result transcript. Machine account home prefixes are replaced with [user-home]; controlled target paths and original error wording are retained. Internal reasoning and private event envelopes are excluded.

[tool call 17: pwsh]
{"description": "Delete target read-only directory recursively", "command": "Remove-Item -LiteralPath \"C:\\ArenaDataLab\\ro-ancestor\\ro-parent\\read-only\" -Recurse -Force -ErrorAction Stop; Write-Output \"EXIT_OK\""}

[tool result 20]
EXIT_OK


[tool call 25: pwsh]
{"command": "$p=\"C:\\ArenaDataLab\\ro-ancestor\\ro-parent\\read-only\"; Write-Output (\"target_exists=\" + (Test-Path -LiteralPath $p)); Write-Output (\"parent_exists=\" + (Test-Path -LiteralPath \"C:\\ArenaDataLab\\ro-ancestor\\ro-parent\")); Get-ChildItem -LiteralPath \"C:\\ArenaDataLab\\ro-ancestor\\ro-parent\" -Force | Select-Object -ExpandProperty Name", "description": "Verify target removed and siblings intact"}

[tool result 28]
target_exists=False
parent_exists=True
ordinary